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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 120.3
edited by Xiaoling
on 2023/11/28 14:43
Change comment: There is no comment for this version
To version 125.6
edited by Xiaoling
on 2023/11/29 09:07
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -47,6 +47,8 @@
47 47  * Firmware upgradable via program port or LoRa protocol
48 48  * Built-in 2400mAh battery or power by external power source
49 49  
50 +
51 +
50 50  == 1.3 Specification ==
51 51  
52 52  
... ... @@ -60,6 +60,8 @@
60 60  * ToF FoV: ±9°, Total 18°
61 61  * Light source: VCSEL
62 62  
65 +
66 +
63 63  == 1.4 Power Consumption ==
64 64  
65 65  
... ... @@ -73,6 +73,8 @@
73 73  * Idle: 21 mA @ 3.3v
74 74  * Max : 360 mA
75 75  
80 +
81 +
76 76  = 2. Configure DS20L to connect to LoRaWAN network =
77 77  
78 78  == 2.1 How it works ==
... ... @@ -206,215 +206,120 @@
206 206  === 2.3.2 Uplink Payload, FPORT~=2 ===
207 207  
208 208  
209 -(((
210 -DS20L will send this uplink **after** Device Status once join the LoRaWAN network successfully. And DS20L will:
215 +==== (% style="color:red" %)**MOD~=1**(%%) ====
211 211  
212 -periodically send this uplink every 20 minutes, this interval [[can be changed>>||anchor="H3.3.1SetTransmitIntervalTime"]].
213 -
214 -Uplink Payload totals 11 bytes.
215 -)))
216 -
217 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
218 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
219 -**Size(bytes)**
220 -)))|=(% style="width: 30px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 70px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white; width: 80px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 70px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 70px;" %)**1**
221 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:62.5px" %)(((
222 -[[Temperature DS18B20>>||anchor="HDS18B20Temperaturesensor"]]
223 -)))|[[Distance>>||anchor="HDistance"]]|[[Distance signal strength>>||anchor="HDistancesignalstrength"]]|(% style="width:122px" %)(((
224 -[[Interrupt flag & Interrupt_level>>||anchor="HInterruptPin26A0InterruptLevel"]]
225 -)))|(% style="width:54px" %)[[LiDAR temp>>||anchor="HLiDARtemp"]]|(% style="width:96px" %)(((
226 -[[Message Type>>||anchor="HMessageType"]]
227 -)))
228 -
229 -==== **MOD~=1** ====
230 -
231 231  Regularly detect distance and report. When the distance exceeds the limit, the alarm flag is set to 1, and the report can be triggered by external interrupts.
232 232  
233 233  Uplink Payload totals 10 bytes.
234 234  
235 -(% border="1" cellspacing="4" style="width:510px;background-color:#f2f2f2" %)
236 -|(% style="width:60px;background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="width:30px;background-color:#4F81BD;color:white" %)**2**|(% style="width:130px;background-color:#4F81BD;color:white" %)**1**|(% style="width:70px;background-color:#4F81BD;color:white" %)**2**|(% style="width:100px;background-color:#4F81BD;color:white" %)**1**|(% style="width:120px;background-color:#4F81BD;color:white" %)**4**
237 -|(% style="width:91px" %)Value|(% style="width:41px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:176px" %)MOD+ Alarm+Interrupt|(% style="width:74px" %)Distance|(% style="width:100px" %)Sensor State|(% style="width:119px" %)Interrupt Count
221 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
222 +|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:30px" %)**2**|(% style="background-color:#4f81bd; color:white; width:130px" %)**1**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**|(% style="background-color:#4f81bd; color:white; width:100px" %)**1**|(% style="background-color:#4f81bd; color:white; width:120px" %)**4**
223 +|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+ Alarm+Interrupt|(% style="width:74px" %)Distance|(% style="width:100px" %)Sensor State|(% style="width:119px" %)Interrupt Count
238 238  
225 +[[image:1701155076393-719.png]]
239 239  
240 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
227 +(% style="color:blue" %)**Battery Info:**
241 241  
242 -==== **Battery Info** ====
243 -
244 244  Check the battery voltage for DS20L
245 245  
246 246  Ex1: 0x0E10 = 3600mV
247 247  
248 -**MOD & Alarm & Interrupt**
249 249  
250 -**MOD:**
234 +(% style="color:blue" %)**MOD & Alarm & Interrupt:**
251 251  
236 +(% style="color:red" %)**MOD:**
237 +
252 252  **Example: ** (0x60>>6) & 0x3f =1
253 253  
254 254  **0x01:**  Regularly detect distance and report.
255 255  **0x02: ** Uninterrupted measurement (external power supply).
256 256  
257 -**Alarm:**
243 +(% style="color:red" %)**Alarm:**
258 258  
259 259  When the detection distance exceeds the limit, the alarm flag is set to 1.
260 260  
261 -**Interrupt:**
247 +(% style="color:red" %)**Interrupt:**
262 262  
263 263  Whether it is an external interrupt.
264 264  
265 -==== Distance** info** ====
266 266  
252 +(% style="color:blue" %)**Distance info:**
253 +
267 267  **Example**:
268 268  
269 269  If payload is: 0708H: distance = 0708H = 1800 mm
270 270  
271 -==== **Sensor State** ====
272 272  
259 +(% style="color:blue" %)**Sensor State:**
260 +
273 273  Ex1: 0x00: Normal collection distance
274 274  
275 275  Ex2 0x0x: Distance collection is wrong
276 276  
277 -==== **Interript Count** ====
278 278  
266 +(% style="color:blue" %)**Interript Count:**
267 +
279 279  If payload is:000007D0H: count = 07D0H =2000
280 280  
281 -**MOD=2**
282 282  
283 -Uninterrupted measurement. When the distance exceeds the limit, the output IO is set high and reports are reported every five minutes. The time can be set and powered by an external power supply.Uplink Payload totals 11bytes.
284 284  
285 -|**Size(bytes)**|**2**|**1**|**4**|**2**|**2**
286 -|Value|[[BAT>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DS20L_LoRaWAN_Smart_Distance_Detector_User_Manual/#HBatteryInfo]]|MOD+ Alarm+Do+ Limit flag|Distance Limit  Alarm count|Upper limit|Lower limit
272 +==== (% style="color:red" %)**MOD~=2**(%%)** ** ====
287 287  
274 +Uninterrupted measurement. When the distance exceeds the limit, the output IO is set high and reports are reported every five minutes. The time can be set and powered by an external power supply.Uplink Payload totals 11bytes.
288 288  
289 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
276 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
277 +|(% style="background-color:#4f81bd; color:white; width:70px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:40px" %)**2**|(% style="background-color:#4f81bd; color:white; width:130px" %)**1**|(% style="background-color:#4f81bd; color:white; width:130px" %)**4**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**
278 +|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+Alarm+Do+Limit flag|(% style="width:74px" %)Distance Limit Alarm count|(% style="width:100px" %)Upper limit|(% style="width:119px" %)Lower limit
290 290  
291 -**MOD & Alarm & Do & Limit** **flag**
280 +[[image:1701155150328-206.png]]
292 292  
293 -**MOD:**
282 +(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
294 294  
284 +(% style="color:red" %)**MOD:**
285 +
295 295  **Example: ** (0x60>>6) & 0x3f =1
296 296  
297 297  **0x01:**  Regularly detect distance and report.
298 298  **0x02: ** Uninterrupted measurement (external power supply).
299 299  
300 -**Alarm:**
291 +(% style="color:red" %)**Alarm:**
301 301  
302 302  When the detection distance exceeds the limit, the alarm flag is set to 1.
303 303  
304 -**Do:**
295 +(% style="color:red" %)**Do:**
305 305  
306 306  When the distance exceeds the set threshold, pull the Do pin high.
307 307  
308 -**Limit** **flag:**
299 +(% style="color:red" %)**Limit flag:**
309 309  
310 -Mode for setting threshold: 0~~5
301 +Mode for setting threshold: **0~~5**
311 311  
312 -0: does not use upper and lower limits
303 +**0:** does not use upper and lower limits
313 313  
314 -1: Use upper and lower limits
305 +**1:** Use upper and lower limits
315 315  
316 -2: is less than the lower limit value
307 +**2:** is less than the lower limit value
317 317  
318 -3: is greater than the lower limit value
309 +**3:** is greater than the lower limit value
319 319  
320 -4: is less than the upper limit
311 +**4:** is less than the upper limit
321 321  
322 -5: is greater than the upper limit
313 +**5:** is greater than the upper limit
323 323  
324 -**Upper limit:**
325 325  
316 +(% style="color:blue" %)**Upper limit:**
317 +
326 326  The upper limit of the threshold cannot exceed 2000mm.
327 327  
328 -**Lower limit:**
329 329  
321 +(% style="color:blue" %)**Lower limit:**
322 +
330 330  The lower limit of the threshold cannot be less than 3mm.
331 331  
332 332  
333 -=== 2.3.3 Historical measuring distance, FPORT~=3 ===
326 +=== 2.3.3 Decode payload in The Things Network ===
334 334  
335 335  
336 -DS20L stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5.4Pollsensorvalue"]].
337 -
338 -The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance.
339 -
340 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
341 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
342 -**Size(bytes)**
343 -)))|=(% style="width: 80px;background-color:#4F81BD;color:white" %)1|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 70px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD; color: white; width: 85px;" %)**1**|=(% style="background-color: #4F81BD; color: white; width: 85px;" %)4
344 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)(((
345 -Reserve(0xFF)
346 -)))|Distance|Distance signal strength|(% style="width:88px" %)(((
347 -LiDAR temp
348 -)))|(% style="width:85px" %)Unix TimeStamp
349 -
350 -**Interrupt flag & Interrupt level:**
351 -
352 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
353 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
354 -**Size(bit)**
355 -)))|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**bit7**|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**bit6**|=(% style="width: 60px;background-color:#4F81BD;color:white" %)**[bit5:bit2]**|=(% style="width: 90px; background-color: #4F81BD; color: white;" %)**bit1**|=(% style="background-color: #4F81BD; color: white; width: 90px;" %)**bit0**
356 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)No ACK message|(% style="width:62.5px" %)Poll Message Flag|Reserve|(% style="width:91px" %)Interrupt level|(% style="width:88px" %)(((
357 -Interrupt flag
358 -)))
359 -
360 -* (((
361 -Each data entry is 11 bytes and has the same structure as [[Uplink Payload>>||anchor="H2.3.2UplinkPayload2CFPORT3D2"]], to save airtime and battery, DS20L will send max bytes according to the current DR and Frequency bands.
362 -)))
363 -
364 -For example, in the US915 band, the max payload for different DR is:
365 -
366 -**a) DR0:** max is 11 bytes so one entry of data
367 -
368 -**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
369 -
370 -**c) DR2:** total payload includes 11 entries of data
371 -
372 -**d) DR3:** total payload includes 22 entries of data.
373 -
374 -If DS20L doesn't have any data in the polling time. It will uplink 11 bytes of 0
375 -
376 -
377 -**Downlink:**
378 -
379 -0x31 64 CC 68 0C 64 CC 69 74 05
380 -
381 -[[image:image-20230805144936-2.png||height="113" width="746"]]
382 -
383 -**Uplink:**
384 -
385 -43 FF 0E 10 00 B0 1E 64 CC 68 0C 40 FF 0D DE 00 A8 1E 64 CC 68 29 40 FF 09 92 00 D3 1E 64 CC 68 65 40 FF 02 3A 02 BC 1E 64 CC 68 A1 41 FF 0E 1A 00 A4 1E 64 CC 68 C0 40 FF 0D 2A 00 B8 1E 64 CC 68 E8 40 FF 00 C8 11 6A 1E 64 CC 69 24 40 FF 0E 24 00 AD 1E 64 CC 69 6D
386 -
387 -
388 -**Parsed Value:**
389 -
390 -[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
391 -
392 -
393 -[360,176,30,High,True,2023-08-04 02:53:00],
394 -
395 -[355,168,30,Low,False,2023-08-04 02:53:29],
396 -
397 -[245,211,30,Low,False,2023-08-04 02:54:29],
398 -
399 -[57,700,30,Low,False,2023-08-04 02:55:29],
400 -
401 -[361,164,30,Low,True,2023-08-04 02:56:00],
402 -
403 -[337,184,30,Low,False,2023-08-04 02:56:40],
404 -
405 -[20,4458,30,Low,False,2023-08-04 02:57:40],
406 -
407 -[362,173,30,Low,False,2023-08-04 02:58:53],
408 -
409 -
410 -**History read from serial port：**
411 -
412 -[[image:image-20230805145056-3.png]]
413 -
414 -
415 -=== 2.3.4 Decode payload in The Things Network ===
416 -
417 -
418 418  While using TTN network, you can add the payload format to decode the payload.
419 419  
420 420  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654592762713-715.png?rev=1.1||alt="1654592762713-715.png"]]
... ... @@ -461,7 +461,7 @@
461 461  
462 462  After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
463 463  
464 -[[image:1701152946067-561.png]]
375 +[[image:image-20231129085201-1.png||height="515" width="961"]]
465 465  
466 466  
467 467  == 2.5 Frequency Plans ==
... ... @@ -485,6 +485,8 @@
485 485  
486 486  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
487 487  
399 +
400 +
488 488  == 3.2 General Commands ==
489 489  
490 490  
... ... @@ -545,6 +545,9 @@
545 545  )))
546 546  * (((
547 547  Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
461 +
462 +
463 +
548 548  )))
549 549  
550 550  === 3.3.2 Set Interrupt Mode ===
... ... @@ -586,9 +586,10 @@
586 586  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
587 587  
588 588  
589 -== 3.3.3 Set work mode ==
590 590  
506 +=== 3.3.3 Set work mode ===
591 591  
508 +
592 592  Feature: Switch working mode
593 593  
594 594  (% style="color:blue" %)**AT Command: AT+MOD**
... ... @@ -607,6 +607,8 @@
607 607  
608 608  * **Example:** 0x0A01  ~/~/  Same as AT+MOD=1
609 609  
527 +
528 +
610 610  === 3.3.4 Set threshold and threshold mode ===
611 611  
612 612  
... ... @@ -627,7 +627,20 @@
627 627  
628 628  
629 629  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
630 -|(% rowspan="11" style="color:blue; width:120px" %)**AT+DOL=5,1800,0,0,400**|(% rowspan="6" style="width:240px" %)The first bit sets the limit mode|(% style="width:150px" %)0: Do not use upper and lower limits
549 +|(% rowspan="11" style="color:blue; width:120px" %)(((
550 +
551 +
552 +
553 +
554 +
555 +
556 +
557 +
558 +
559 +
560 +
561 +**AT+DOL=5,1800,0,0,400**
562 +)))|(% rowspan="6" style="width:240px" %)The first bit sets the limit mode|(% style="width:150px" %)0: Do not use upper and lower limits
631 631  |(% style="width:251px" %)1: Use upper and lower limits
632 632  |(% style="width:251px" %)2: Less than the lower limit
633 633  |(% style="width:251px" %)3: Greater than the lower limit
... ... @@ -643,6 +643,8 @@
643 643  
644 644  )))
645 645  
578 +
579 +
646 646  (% style="color:blue" %)**Downlink Command: 0x07**
647 647  
648 648  Format: Command Code (0x07) followed by 9bytes.
... ... @@ -651,8 +651,16 @@
651 651  
652 652  * Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
653 653  
588 +* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,0,100,0,400
654 654  
590 +* Example 3: Downlink Payload: 070300000064000190  **~-~-->**  AT+MOD=3,1800,100,0,400
655 655  
592 +* Example 4: Downlink Payload: 070407080000000190  **~-~-->**  AT+MOD=4,0,100,0,400
593 +
594 +* Example 5: Downlink Payload: 070507080000000190  **~-~-->**  AT+MOD=5,1800,100,0,400
595 +
596 +
597 +
656 656  = 4. Battery & Power Consumption =
657 657  
658 658  
... ... @@ -681,6 +681,8 @@
681 681  
682 682  * Update through UART TTL interface: **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
683 683  
626 +
627 +
684 684  = 6. FAQ =
685 685  
686 686  == 6.1 What is the frequency plan for DS20L? ==
... ... @@ -689,6 +689,33 @@
689 689  DS20L use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
690 690  
691 691  
636 +== 6.2 DS20L programming line ==
637 +
638 +
639 +缺图 后续补上
640 +
641 +feature:
642 +
643 +for AT commands
644 +
645 +Update the firmware of DS20L
646 +
647 +Support interrupt mode
648 +
649 +
650 +== 6.3 LiDAR probe position ==
651 +
652 +
653 +[[image:1701155390576-216.png||height="285" width="307"]]
654 +
655 +The black oval hole in the picture is the LiDAR probe.
656 +
657 +
658 +== 6.4 Interface definition ==
659 +
660 +[[image:image-20231128151132-2.png||height="305" width="557"]]
661 +
662 +
692 692  = 7. Trouble Shooting =
693 693  
694 694  == 7.1 AT Command input doesn't work ==
... ... @@ -741,6 +741,8 @@
741 741  
742 742  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
743 743  
715 +
716 +
744 744  = 9. ​Packing Info =
745 745  
746 746  
... ... @@ -758,6 +758,8 @@
758 758  
759 759  * Weight / pcs : g
760 760  
734 +
735 +
761 761  = 10. Support =
762 762  
763 763  
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